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Implement shader LEA instruction and improve bindless image load/store (#1355)

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gdkchan 2020-07-03 20:48:44 -03:00 • committed by GitHub
parent 76e5af967a
commit e13154c83d
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 82 additions and 43 deletions
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49
Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessElimination.cs
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@ -5,7 +5,9 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
{
class BindlessElimination
{
public static void RunPass(BasicBlock block)
private const int NvnTextureBufferSlot = 2;
public static void RunPass(BasicBlock block, ShaderConfig config)
{
// We can turn a bindless into regular access by recognizing the pattern
// produced by the compiler for separate texture and sampler.
@ -24,26 +26,39 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
continue;
}
if (!(texOp.GetSource(0).AsgOp is Operation handleCombineOp))
if (texOp.Inst == Instruction.TextureSample)
{
continue;
}
if (!(texOp.GetSource(0).AsgOp is Operation handleCombineOp))
{
continue;
}
if (handleCombineOp.Inst != Instruction.BitwiseOr)
if (handleCombineOp.Inst != Instruction.BitwiseOr)
{
continue;
}
Operand src0 = handleCombineOp.GetSource(0);
Operand src1 = handleCombineOp.GetSource(1);
if (src0.Type != OperandType.ConstantBuffer || src0.GetCbufSlot() != NvnTextureBufferSlot ||
src1.Type != OperandType.ConstantBuffer || src1.GetCbufSlot() != NvnTextureBufferSlot)
{
continue;
}
texOp.SetHandle(src0.GetCbufOffset() | (src1.GetCbufOffset() << 16));
}
else if (texOp.Inst == Instruction.ImageLoad || texOp.Inst == Instruction.ImageStore)
{
continue;
Operand src0 = texOp.GetSource(0);
if (src0.Type == OperandType.ConstantBuffer && src0.GetCbufSlot() == NvnTextureBufferSlot)
{
texOp.SetHandle(src0.GetCbufOffset());
texOp.Format = config.GetTextureFormat(texOp.Handle);
}
}
Operand src0 = handleCombineOp.GetSource(0);
Operand src1 = handleCombineOp.GetSource(1);
if (src0.Type != OperandType.ConstantBuffer || src0.GetCbufSlot() != 2 ||
src1.Type != OperandType.ConstantBuffer || src1.GetCbufSlot() != 2)
{
continue;
}
texOp.SetHandle(src0.GetCbufOffset() | (src1.GetCbufOffset() << 16));
}
}
}